Uncharted Golden Abyss Zrif -
In legitimate use, ZRIF is invisible. However, in the modding scene (specifically using tools like pkg2zip or VitaShell), users share instead of sharing the actual license files. Why? Because a ZRIF string is just a line of text—approximately 80 characters long. You can paste it into a forum post, a Discord chat, or a text file. This allows a user who owns a legitimate copy to generate a ZRIF string, which another user (who has downloaded the decrypted game files) can use to trick their Vita into thinking it has a valid license.
In hexadecimal, the raw byte sequence of a NoNpDrm license starts with 0x5A 0x52 0x49 0x46 . In ASCII, that decodes to . uncharted golden abyss zrif
: Developed by Bend Studio rather than Naughty Dog. In legitimate use, ZRIF is invisible
This string acts as a license key for the NoNpDrm plugin. If you are setting this up on a PS Vita running CFW (like HENkaku) or configuring it for the Vita3K emulator: Because a ZRIF string is just a line
The accessibility of ZRIF keys is largely due to the efforts of the community. NPS is a database and browser that allows users to access content from the PlayStation Store that is no longer available or to manage their backups.